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| View Original: | Regulator valve & pressure gauge.JPG (1632x1232) | |||
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| Keywords: Regulator valve & pressure gauge.JPG CambridgeBayWeather Close up of regulator valve and pressure guages as used to inflate ceiling balloons The closer of the gauges shows the helium flowing to the balloon The further gauge shows the amount of helium remaing in the tank Pressure regulators | ||||
